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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.